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Double Chocolate Muffins

Ultra-moist bakery-style chocolate muffins with domed tops, packed with mini chocolate chips and rich Dutch process cocoa powder. Easy 25-minute recipe perfect for breakfast or snacks.
Prep Time 10 minutes
Cook Time 18 minutes
Total Time 28 minutes
Course Breakfast, Dessert
Cuisine American
Servings 12 muffins
Calories 285 kcal

Ingredients
  

  • For the Double Chocolate Muffins:
  • cups 219g all-purpose flour, spooned and leveled
  • ½ cup 40g Dutch process cocoa powder
  • teaspoons baking powder
  • ¼ teaspoon baking soda
  • ½ teaspoon salt
  • ½ cup 112g unsalted butter, melted
  • 1 cup 200g granulated white sugar
  • 2 large eggs at room temperature
  • ½ cup 120ml whole milk, at room temperature
  • ½ cup 122g sour cream, at room temperature
  • 2 teaspoons vanilla extract
  • 1 cup 200g mini semi-sweet chocolate chips
  • ½ cup 100g mini semi-sweet chocolate chips for sprinkling on top

Instructions
 

  • Preheat oven to 375°F (190°C). In a medium bowl, whisk together flour, cocoa powder, baking powder, baking soda, and salt until well combined. Set aside.
  • In a large mixing bowl, whisk together melted butter and sugar until smooth. Add eggs one at a time, whisking well after each addition. Mix in milk, sour cream, and vanilla until completely combined.
  • Add dry ingredients to wet ingredients. Using a rubber spatula, gently fold together until just combined. Don't overmix – a few lumps are fine.
  • Fold in 1 cup of mini chocolate chips with spatula, ensuring even distribution throughout batter.
  • Cover bowl with plastic wrap and let batter rest at room temperature for 30 minutes. This creates the domed tops.
  • Line a 12-cup muffin pan with paper liners. For best dome effect, fill only every other muffin cup about ¾ full with batter. Sprinkle remaining ½ cup chocolate chips generously over each muffin.
  • Bake for 18-20 minutes, or until toothpick inserted in center comes out with just a few moist crumbs. Cool in pan for 10 minutes before transferring to wire rack.

Notes

Room temperature ingredients: Ensure eggs, milk, and sour cream are at room temperature for best texture
Flour measurement: Spoon flour into measuring cup and level with knife for accuracy
Resting time: Don't skip the 30-minute rest - it's crucial for domed tops
Every-other-cup method: Use only every other muffin cup for bakery-style height
Storage: Store in airtight container at room temperature for up to 3 days or freeze for up to 3 months
Substitutions: Can use regular cocoa powder instead of Dutch process, or Greek yogurt instead of sour cream
Chocolate chip tip: Toss chips in 1 tablespoon flour before folding in to prevent sinking
Keyword chocolate muffins, double chocolate muffins